hormonal, a. Physiol.
(hɔːˈməʊnəl, ˈhɔːməʊnəl)
[f. hormone + -al.]
Of, involving, or effected by a hormone or hormones; that is or acts as a hormone.
| 1926 Chem. Abstr. XX. 3029 (heading) The hormonal-nervous regulatory system of fat metabolism. 1949 M. Mead Male & Female xvi. 338 This domestic crisis..is reinforced by the hormonal instability and emotional fears that surround the menopause. 1953 Jrnl. R. Hort. Soc. LXXVIII. 165 The use of hormonal regulators of plant growth. 1955 R. G. Harry Mod. Cosmeticol. (ed. 4) iv. 95 The remark is often made that the mother-to-be has never ‘looked so young’ or ‘so beautiful’. Undoubtedly this effect is due to hormonal influences. 1968 Times 11 Nov. 10/8 Apes and most monkeys have menstrual cycles, and in some species the pattern of sexual activity is known to be under hormonal control. |
Hence horˈmonally adv., by means of a hormone or hormones; as a hormone.
| 1939 B. Hanström Hormones in Invert. ix. 84 Dixippus shows a morphological and a physiological colour-change which are both hormonally regulated. 1955 R. I. Dorfman in Pincus & Thimann Hormones III. xii. 593 A group of hormonally active steroids, estrogens. 1970 Sci. Jrnl. June 68/1 They were both able to mate normal individulas to hormonally sex reversed animals which had exactly the same chromosomes. |
______________________________
Add: [1.] b. hormonal replacement = hormone replacement s.v. *hormone n. 3. Usu. attrib.
| 1968 Canad. Med. Assoc. Jrnl. XCIX. 250/1 The increasing trend toward giving hormonal replacement treatment in the menopause. 1977 Spare Rib May 39/2 (Advt.), The Menopause and Hormonal Replacement Therapy. 1989 Collier & Longmore Oxf. Handbk. Clinical Specialties (ed. 2) i. 18 Women with early menopause or bilateral oophorectomy should possibly receive hormonal replacement to prevent osteoporosis. |